Frequencies for first 10,000 rows of rx4v2c2 variable in namcs2008 dataset :

   for rx4, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,672       96.72       96.72
        005 |          5        0.05       96.77
        012 |          2        0.02       96.79
        015 |          5        0.05       96.84
        019 |         14        0.14       96.98
        046 |         49        0.49       97.47
        053 |          8        0.08       97.55
        064 |         20        0.20       97.75
        065 |         17        0.17       97.92
        083 |         90        0.90       98.82
        098 |         20        0.20       99.02
        100 |          4        0.04       99.06
        101 |          7        0.07       99.13
        106 |          1        0.01       99.14
        117 |          8        0.08       99.22
        120 |          1        0.01       99.23
        123 |          9        0.09       99.32
        124 |          9        0.09       99.41
        125 |          3        0.03       99.44
        132 |          1        0.01       99.45
        136 |          3        0.03       99.48
        146 |          1        0.01       99.49
        151 |          3        0.03       99.52
        192 |          3        0.03       99.55
        251 |          3        0.03       99.58
        253 |          7        0.07       99.65
        257 |          1        0.01       99.66
        289 |         13        0.13       99.79
        293 |          1        0.01       99.80
        303 |          7        0.07       99.87
        320 |          8        0.08       99.95
        340 |          4        0.04       99.99
        363 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016